package cn.wolfcode.qo;

import lombok.Getter;
import lombok.Setter;

import java.util.List;

@Getter
@Setter
public class PageResult<T> {

    private int currentPage;
    private int pageSize;

    private int totalCount;
    private List<T> data;

    private int totalPage;
    private int prevPage;
    private int nextPage;

    public PageResult(int currentPage, int pageSize, int totalCount, List<T> data) {
        this.currentPage = currentPage;
        this.pageSize = pageSize;
        this.totalCount = totalCount;
        this.data = data;

        if (this.totalCount <= this.pageSize){
            this.totalPage = 1;
            this.prevPage = 1;
            this.nextPage= 1;
        }

        this.totalPage = this.totalCount % this.pageSize == 0 ?
                this.totalCount / this.pageSize : this.totalCount / this.pageSize +1;
        this.prevPage = this.currentPage - 1 >= 1? this.currentPage - 1 : 1;
        this.nextPage =  this.currentPage +1 <= this.totalPage ? this.currentPage +1:this.totalPage;
    }
}
